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Leviafan [203]
3 years ago
13

What is the inverse of the function y=x+5/7 ?

Mathematics
1 answer:
Zinaida [17]3 years ago
8 0
X= y+5/7
7x=y+5
y= 7x-5
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Which of the following is the product of the rational expressions shown below? 7x/x-4•x/x+7
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Step-by-step explanation:

We have,

\dfrac{7x}{x-4}.\dfrac{x}{x+7}

To find, the product of the rational expressions \dfrac{7x}{x-4}.\dfrac{x}{x+7} = ?

∴ \dfrac{7x}{x-4}.\dfrac{x}{x+7}

= \dfrac{7x.x}{(x-4)(x+7)}

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Thus, the product of the rational expressions \dfrac{7x}{x-4}.\dfrac{x}{x+7} = \dfrac{7x^2}{x^2+3x-28}.

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